The Dawn of the World, by C. Hart Merriam, , at sacred-texts.com
The Northern Mewuk say:
Ku-yet'-tah the Rainbow comes to tell the people a baby is born. When anyone sees Ku-yet'-tah he knows that somewhere a new baby has come. Everybody knows that.
The Hookooeko of Nicasio and Tomales Bay say:
Kah-chah the Rainbow is the bow of O'-ye the Coyote-man.